<template>
  <!-- 登录页面的整体盒子 -->
  <div class="login-container">
    <!-- 登录的盒子 -->
    <div class="login-box">
      <!-- 登录的表单区域 -->
      <el-form :model="loginForm" :rules="loginRules" ref="loginRef">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            placeholder="请输入用户名"
            maxlength="10"
            minlength="1"
            @keydown.enter.native="login"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            placeholder="请输入密码"
            maxlength="15"
            minlength="6"
            @keydown.enter.native="login"
          ></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" class="btn-login" @click="login" round
            >登录</el-button
          >
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import axios from '@/project/staggerer/Dsrc/main.js'
export default {
  name: 'Login',
  data() {
    return {
      // 登录表单的数据对象
      loginForm: {
        username: '',
        password: ''
      },
      // 登录表单的验证规则对象
      loginRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            pattern: /^[a-zA-Z0-9]{1,10}$/,
            message: '用户名必须是1-10的字母数字',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            pattern: /^\S{6,15}$/,
            message: '密码必须是6-15的非空字符',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  methods: {
    login() {
      this.$refs.loginRef.validate(async valid => {
        if (!valid) return
        // 发起请求
        const { data: res } = await axios.post('/api/login', this.loginForm)
        // 登录失败
        if (res.code !== 0) return this.$message.error(res.message)
        // 登录成功
        this.$message.success(res.message)
        // 将 token 保存到 vuex中
        this.$store.commit('Ditem/updatedToken', res.token)
        // 跳转到后台主页
        this.$router.push('/staggerer/main')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login-container {
  .login-box {
    width: 100%;
    height: 220px;
    border-radius: 3px;
    margin-top: 50px;
    padding-top: 30px;
    box-sizing: border-box;
    .btn-login {
      width: 100%;
      background-color: #424458;
      border-color: #e2c599;
    }
  }
}
</style>
